CN113376897A - Display panel, display module and display device - Google Patents
Display panel, display module and display device Download PDFInfo
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- CN113376897A CN113376897A CN202110630926.9A CN202110630926A CN113376897A CN 113376897 A CN113376897 A CN 113376897A CN 202110630926 A CN202110630926 A CN 202110630926A CN 113376897 A CN113376897 A CN 113376897A
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/133512—Light shielding layers, e.g. black matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/1362—Active matrix addressed cells
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
- G02F1/136281—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon having a transmissive semiconductor substrate
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses display panel, display module assembly and display device, display panel includes: the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a liquid crystal layer is clamped between the first substrate and the second substrate; the display panel comprises a display area and a non-display area adjacent to the display area, and the first substrate comprises metal wiring located in the non-display area; the first substrate comprises a black shielding layer, the metal wiring is covered by the black shielding layer in the orthographic projection direction of the first substrate, the black shielding layer is arranged in the display panel and covers the metal wiring in the orthographic projection direction of the first substrate, and therefore the appearance effect of the display panel is improved.
Description
Technical Field
The application relates to the field of display, in particular to a display panel, a display module and a display device.
Background
At present, full-screen mobile phones are more and more popular, and high-screen-ratio screens are more and more popular, so that the requirements of manufacturers on frames are gradually improved no matter a television, a mobile phone or a display screen is used, and display equipment is gradually updated and iterated from the original four-frame (cover) coverage to the later three-edge frame-free display equipment until four edges of the display equipment are frame-free in recent years.
However, in the existing design, the four-sided frameless structure is realized by adding a filling material at the position of the offset between the color film substrate and the array substrate, however, the scheme has the defects of chromatic aberration between the filled area and the non-filled area, uneven light-emitting surface of the display panel, poor appearance effect of the four-sided frameless structure, and the like.
Disclosure of Invention
The application provides a display panel, a display module and a display device, which are used for effectively improving the appearance effect of the display panel.
In order to realize the functions, the technical scheme provided by the application is as follows:
the application provides a display panel, including:
the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a liquid crystal layer is clamped between the first substrate and the second substrate;
the display panel comprises a display area and a non-display area adjacent to the display area, and the first substrate comprises metal wiring located in the non-display area;
the first substrate comprises a black shielding layer, and the black shielding layer covers the metal wiring in the orthographic projection direction of the first substrate.
In the display panel provided by the present application, the black blocking layer is located on a side of the first substrate away from the second substrate.
In the display panel provided by the application, the black shielding layer is located in the non-display area, and a distance from one side of the black shielding layer close to the display area is 0.1 mm to 0.5 mm.
In the display panel provided by the application, the first substrate comprises a substrate and a routing layer arranged on one side of the substrate close to the second substrate, and the routing layer comprises a plurality of metal wirings positioned in the non-display area; wherein,
the black shielding layer is arranged in the first substrate and is positioned on one side, far away from the second substrate, of the routing layer.
In the display panel provided by the application, the material of the black shielding layer is black ink.
The application provides a display module, which comprises any one of the display panels, a middle frame positioned in a non-display area of the display panel and side sealing glue;
the side sealing glue is arranged on the side faces, facing the middle frame, of the black shielding layer, the first substrate and the second substrate.
In the display module provided by the application, the display module further comprises a polarizer located on one side of the first substrate far away from the second substrate; wherein,
the polarizer completely covers the first substrate, the black shielding layer and the side sealing adhesive;
the side sealing adhesive is respectively adhered with the display panel and the polaroid, and the width of the side sealing adhesive adhered with the polaroid is 0.2-0.5 mm.
In the display module provided by the application, the non-display area comprises a step sub-area positioned on one side of the display area, and the second substrate comprises a hollow-out part positioned in the step sub-area;
the display module further comprises a black frame positioned in the non-display area, and the black frame comprises a first shielding part arranged in the hollow part and a second shielding part extending from one end of the first shielding part to the display area;
the black shielding layer covers the first shielding part and the second shielding part in the orthographic projection direction of the first substrate.
In the display module provided by the application, the second shielding part is bonded with the second substrate through the first double-sided adhesive tape; the side edge of one side, close to the black frame, of the first double-sided adhesive is flush with the side edge of one side, close to the black frame, of the second substrate, and the black shielding layer covers the first double-sided adhesive in the orthographic projection direction of the first substrate.
In the display module provided by the application, the middle frame comprises a first frame and a second frame which are arranged on the peripheral side of the display panel;
the first frame is arranged on a first side of the display panel, the second frame is at least arranged on a second side of the display panel, the first side and the second side are two different sides of the display panel, and the first side is a side of the display panel close to the black frame;
the second frame comprises an extending part which extends to one side of the second substrate far away from the first substrate, and the black shielding layer covers the extending part in the orthographic projection direction of the first substrate.
In the display module provided by the application, the extension part is bonded with the second substrate through a second double-sided adhesive tape; the black shielding layer covers the second double-sided adhesive in the orthographic projection direction of the first substrate.
The application provides a display device, including the aforesaid any display panel or the aforesaid any display module assembly.
The beneficial effect of this application: the display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a liquid crystal layer is clamped between the first substrate and the second substrate; the display panel comprises a display area and a non-display area adjacent to the display area, and the first substrate comprises metal wiring located in the non-display area; the first substrate comprises a black shielding layer, the metal wiring is covered by the black shielding layer in the orthographic projection direction of the first substrate, the black shielding layer is arranged in the display panel and covers the metal wiring in the orthographic projection direction of the first substrate, and therefore the appearance effect of the display panel is improved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a four-sided borderless display device according to the prior art;
fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an array substrate according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 5 is a schematic flow chart of a method for manufacturing a display device according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
Please refer to fig. 1, a schematic structural diagram of a four-sided borderless display device in the prior art.
In the prior art, in order to realize the four-sided borderless display device, a method of adding a filling material 193 to a position of a step difference between a first substrate 111 and a second substrate 112 of a display panel 11 is usually adopted, so that a side surface of the second substrate 112 is flush with a side surface of the first substrate 111, wherein the first substrate 111 is an array substrate, and the second substrate 112 is a color film substrate, however, this scheme has defects of color difference between a filling area and a non-filling area, uneven light-emitting surface of the display panel 11, poor appearance effect of the four-sided borderless display device, and the like. Accordingly, the embodiment of the application provides a display panel and a display device, which are used for improving the flatness of the light-emitting surface of the display panel and improving the appearance effect of the display panel.
Referring to fig. 2 to 3, in the embodiment of the present disclosure, the display panel 11 includes a first substrate 111 and a second substrate 112 disposed opposite to each other, and a liquid crystal layer (not shown) is sandwiched between the first substrate 111 and the second substrate 112.
The display panel 11 includes a display region 1000 and a non-display region 2000 adjacent to the display region 1000, and the first substrate 111 includes a metal wiring 1111 in the non-display region 2000.
Wherein the first substrate 111 includes a black mask layer 113, and the black mask layer 113 covers the metal wire 1111 in an orthogonal projection direction of the first substrate 111.
Specifically, in this embodiment of the application, the first substrate 111 is an array substrate, the second substrate 112 is a color filter substrate, wherein the first substrate 111 is located on a light-emitting side of the display panel 11, and the black blocking layer 113 is located on a side of the first substrate 111 away from the second substrate 112.
It is understood that the first substrate 111 is an array substrate, the second substrate 112 is a color filter substrate, and the black mask layer 113 is located on a side of the first substrate 111 away from the second substrate 112, which are all used as examples, and this is not limited in this embodiment of the application.
It should be noted that, in the embodiment of the present application, the display panel may be an OLED (organic light-Emitting Diode) display panel or an LED (light-Emitting Diode) display panel, and the embodiment of the present application is not limited thereto.
In the embodiment of the present application, the first substrate 111 is located on the light emitting side of the display panel 11, and the orthographic projection of the first substrate 111 on the second substrate 112 covers the second substrate 112, so that the flatness of the light emitting surface of the display panel 11 is improved; meanwhile, the first substrate 111 includes a metal wiring 1111 in the non-display region 2000, and a black shielding layer 113 is disposed in the display panel 11, so that the black shielding layer 113 covers the metal wiring 1111 in an orthogonal projection direction of the first substrate 111, thereby improving an appearance effect of the display panel 11.
The technical solution of the present application will now be described with reference to specific embodiments.
Referring to fig. 2, a structure of a display panel provided in an embodiment of the present application is schematically illustrated.
In the embodiment of the present application, the display panel 11 includes a first substrate 111 and a second substrate 112 disposed opposite to each other, and a liquid crystal layer (not shown) is sandwiched between the first substrate 111 and the second substrate 112.
The display panel 11 includes a display region 1000 and a non-display region 2000 adjacent to the display region 1000, and the first substrate 111 includes a metal wiring 1111 in the non-display region 2000.
Wherein the first substrate 111 includes a black mask layer 113, and the black mask layer 113 covers the metal wire 1111 in an orthogonal projection direction of the first substrate 111.
Specifically, in this embodiment of the application, the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, and the second substrate 112 is a color film substrate, wherein the first substrate 111 is located on a light emitting side of the display panel 11, and the black shielding layer 113 is located on a side of the first substrate 111 away from the second substrate 112.
It is understood that the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, and the second substrate 112 is a color filter substrate, which are all used for illustration and are not limited in this embodiment of the application.
In this embodiment, the black mask layer 113 is located on a side of the first substrate 111 away from the second substrate 112; specifically, the black blocking layer 113 is located in the non-display area 2000, a distance a between one side of the black blocking layer 113 close to the display area 1000 and the display area 1000 is in a range of 0.1 mm to 0.5 mm, and a thickness of the black blocking layer 113 is less than 0.5 μm.
It should be noted that, in this embodiment, the distance from one side of the black blocking layer 113 close to the display area 1000 is not further limited; it is understood that the black mask layer 113 is disposed on the side of the first substrate 111 away from the second substrate 112 for illustration purposes only, and the position of the black mask layer 113 is not particularly limited.
In this embodiment, the black mask layer 113 includes, but is not limited to, black ink, wherein the material of the black ink includes black pigment, resin, solvent and oil, filler and adjuvant, wherein the content of the black pigment is 20% to 40%, the content of the resin is 15% to 25%, the content of the solvent and oil is 25% to 40%, and the content of the filler and adjuvant is 2% to 5%. It should be noted that the black mask layer 113 may be prepared on the side of the first substrate 111 away from the second substrate 112 by a low-temperature screen printing process.
In this embodiment, the first substrate 111 is disposed on the light emitting side of the display panel 11, and the orthographic projection of the first substrate 111 on the second substrate 112 covers the second substrate 112, so as to improve the flatness of the light emitting surface of the display panel 11; meanwhile, the first substrate 111 includes the metal wiring 1111 in the non-display area 2000, and a black shielding layer 113 is disposed in the non-display area 2000 of the display panel 11, so that the black shielding layer 113 covers the metal wiring 1111 in the orthogonal projection direction of the first substrate 111, thereby improving the appearance effect of the display panel 11; in addition, the range of the distance a from one side of the black shielding layer 113 close to the display area 1000 is 0.1 mm to 0.5 mm, so that the problems that the metal wiring 1111 is exposed by the black shielding layer 113 and the display area 1000 is shielded by the black shielding layer 113 can be avoided.
It is noted that, in the present embodiment, the first substrate 111 and the second substrate 112 are disposed opposite to each other, and the first substrate 111 is disposed on the light emitting side of the display panel 11; in this embodiment, the black ink is printed on the first substrate 111 by a low-temperature screen printing process, so as to prepare the black shielding layer 113, compared with the prior art, in which the second substrate 112 is located on the light emitting side of the display panel 11, a mold is required to clamp the cross section, then liquid glue is filled in the mold, then the mold is removed, and then the glue is cured, so that the manufacturing process steps are simplified, and the manufacturing efficiency is improved.
Referring to fig. 3, a schematic structural diagram of a first substrate according to an embodiment of the present disclosure is shown.
In fig. 3, the X direction is the light exit side of the display panel 11.
In the present embodiment, the first substrate 111 includes a substrate 10; and a first semiconductor layer 20, a first metal layer 30, a second metal layer 40, a second semiconductor layer 51, a third metal layer 60, and a fourth metal layer 70 on the substrate 10, wherein the fourth metal layer 70 includes a first source 71, a first drain 72, a second source 73, and a second drain 74, the first source 71 and the first drain 72 are electrically connected to the first semiconductor layer 20, and the second source 73 and the second drain 74 are electrically connected to the second semiconductor layer 51.
The first metal layer 30 includes a first gate 31 located in the display area 1000, the second metal layer 40 includes a second gate 41 located in the display area 1000, and the third metal layer 60 includes a third gate 61 located in the display area 1000.
Specifically, in this embodiment, the first metal layer 30 further includes a first capacitor electrode (not shown in the figure), and the second metal layer 40 further includes a second capacitor electrode 42, where the first capacitor electrode and the second capacitor electrode 42 form a capacitor.
Referring to fig. 2, in the present embodiment, the first substrate 111 further includes a routing layer 1110 located in the non-display area 2000, the routing layer 1110 is disposed on a side of the substrate 10 close to the second substrate 112, and the routing layer 1110 includes a plurality of metal wires 1111 located in the non-display area 2000; specifically, the wiring layer 1110 is disposed on the same layer as the first gate 31, or the wiring layer 1110 is disposed on the same layer as the second gate 41, or the wiring layer 1110 is disposed on the same layer as the third gate 61; in this embodiment, the routing layer 1110 may be formed by patterning the first metal layer 30, the second metal layer 40, or the third metal layer 60.
Specifically, in the present embodiment, the routing layer 1110 is disposed on the same layer as the first gate 31; it is understood that the layer of the routing layer 1110 and the layer of the first gate 31 are only used for illustration, and the present embodiment is not limited thereto.
In this embodiment, the first substrate 111 further includes a first interlayer dielectric layer 110 between the second metal layer 40 and the second semiconductor layer 51, a third insulating layer 120 between the second semiconductor layer 51 and the third metal layer 60, and a second interlayer dielectric layer 130 between the third metal layer 60 and the fourth metal layer 70.
Specifically, the display panel includes the substrate 10, the first semiconductor layer 20, the first insulating layer 90, the first gate 31, the second insulating layer 100, the second gate 41, the first interlayer dielectric layer 110, the second semiconductor layer 51, the third insulating layer 120, the third gate 61, the second interlayer dielectric layer 130, the fourth metal layer 70, the passivation layer 140, the first planarization layer 150, and the fifth metal layer 80, which are stacked from bottom to top.
In this embodiment, the substrate 10 may include a rigid substrate or a flexible substrate, and when the substrate 10 is a rigid substrate, the material may be metal or glass, and when the substrate 10 is a flexible substrate, the material may include at least one of acrylic resin, methacrylic resin, polyisoprene, vinyl resin, epoxy resin, polyurethane-based resin, cellulose resin, silicone resin, polyimide-based resin, and polyamide-based resin. The material of the substrate 10 is not limited by the present application.
In the present embodiment, the material of the first semiconductor layer 20 includes, but is not limited to, polysilicon, the material of the second semiconductor layer 51 includes, but is not limited to, oxide, the first semiconductor layer 20 forms a polysilicon active layer of each low temperature polysilicon transistor, the second semiconductor layer 51 forms an oxide active layer of each oxide transistor, and the first semiconductor layer 20 and the second semiconductor layer 51 are electrically connected through the second source electrode 73.
In the present embodiment, the materials of the first metal layer 30, the second metal layer 40, and the third metal layer 60 may each include at least one metal of molybdenum (Mo), aluminum (Al), platinum (Pt), palladium (Pd), silver (Ag), magnesium (Mg), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), calcium (Ca), titanium (Ti), tantalum (Ta), and tungsten (W).
In the present embodiment, the materials of the first insulating layer 90, the second insulating layer 100 and the third insulating layer 120 include, but are not limited to, silicon oxide; the material of the first interlayer dielectric layer 110 and the second interlayer dielectric layer 130 includes at least one of silicon nitride and silicon oxide.
In addition, the display panel may further include a first planarization layer 150, a second planarization layer 160, a pixel defining layer 170, an anode 180, and a light emitting function layer 190 over the fifth metal layer 80.
In this embodiment, the black mask layer 113 is disposed in the first substrate 111 and located on a side of the routing layer 1110 away from the second substrate 112.
In this embodiment, the substrate 10 sequentially includes a first substrate 101, a spacer layer 102, a second substrate 103, a buffer layer 104, and a capping layer 105; the black mask layer 113 is disposed in the same layer as at least one of the first insulating layer 90, the first substrate 101, the spacer layer 102, the second substrate 103, the buffer layer 104, or the capping layer 105.
Specifically, in the present embodiment, the black mask layer 113 is disposed on the same layer as the first insulating layer 90, and the black mask layer 113 covers the metal wirings 1111 in the front projection direction of the first substrate 101.
It is understood that the layer arrangement of the black mask layer 113 and the first insulating layer 90 is only used for illustration, and the embodiment is not limited thereto.
According to the display panel, the black shielding layer 113 is arranged in the first substrate 111, and the orthographic projection of the black shielding layer 113 on the first substrate 101 covers the metal wires 1111, so that the appearance effect of the display panel is improved; meanwhile, the black mask layer 113 is disposed in the same layer as at least one of the first insulating layer 90, the first substrate 101, the spacer layer 102, the second substrate 103, the buffer layer 104, or the capping layer 105, so that the manufacturing process of the display panel is simplified.
Referring to fig. 4, a schematic structural diagram of a display module according to an embodiment of the present disclosure is shown.
The present embodiment further provides a display module, wherein the display device includes the display panel 11, the middle frame 17 located in the non-display area 2000 of the display panel 11, and the side sealant 14.
The side sealant 14 is disposed on the black mask layer 113, the first substrate 111, and the second substrate 112 facing the side of the middle frame 17.
Specifically, in this embodiment, the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, and the second substrate 112 is a color film substrate, wherein the first substrate 111 is located on a light emitting side of the display panel 11, and the black shielding layer 113 is located on a side of the first substrate 111 away from the second substrate 112.
It is understood that the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, the second substrate 112 is a color filter substrate, and the black blocking layer 113 is located on a side of the first substrate 111 away from the second substrate 112, which is only used for illustration and is not limited in this embodiment.
In this embodiment, the display module further includes a backlight module 12; the backlight module 12 is located on a side of the second substrate 112 away from the first substrate 111.
In this embodiment, the display module further includes a first polarizer 131 located on a side of the first substrate 111 away from the second substrate 112, and a second polarizer 132 located on a side of the second substrate 112 away from the first substrate 111; the first polarizer 131 completely covers the first substrate 111, the black shielding layer 113, and the side sealing compound 14, wherein the side sealing compound 14 is respectively bonded to the display panel 11 and the first polarizer 131, and a width b of the side sealing compound 14 bonded to the first polarizer 131 ranges from 0.2 mm to 0.5 mm; the projection of the second polarizer 132 on the second substrate 112 is located in the second substrate 112. In this embodiment, a side sealant 14 is disposed, the side sealant 14 is black, and the side sealant 14 is adhered to the display panel 11 and the first polarizer 131 respectively, so as to prevent the first polarizer 131 from peeling off; meanwhile, the display effect is prevented from being affected by the light transmission of the two side surfaces of the first polarizer 131.
In this embodiment, the non-display area 2000 includes a step sub-area 2001 located on one side of the display area 1000, and the second substrate 112 includes a hollow portion (not shown) located in the step sub-area 2001; the display module further includes a black frame 16 located in the non-display area 2000, where the black frame 16 includes a first shielding portion 161 disposed in the hollow portion and a second shielding portion 162 extending from one end of the first shielding portion 161 to the display area, and the black shielding layer 113 covers the first shielding portion 161 and the second shielding portion 162 in the orthogonal projection direction of the first substrate 111.
Specifically, the black bezel 16 further includes a third shielding portion 163 extending from one end of the first shielding portion 161 to the side of the backlight module 12; the first shielding portion 161 covers the hollow portion in the orthogonal projection direction of the first substrate 111.
The second shielding portion 162 is bonded to the second substrate 112 through a first double-sided adhesive 181; the first double-sided adhesive 181 is black, a side of the first double-sided adhesive 181 close to the black frame 16 is flush with a side of the second substrate 112 close to the black frame 16, and the black shielding layer 113 covers the first double-sided adhesive 181 in the orthographic projection direction of the first substrate 111.
In this embodiment, a black frame 16 is disposed, where the black frame 16 includes a first shielding portion 161 disposed in the hollow portion, and the first shielding portion 161 covers the hollow portion in the orthogonal projection direction of the first substrate 111, so as to prevent light leakage of the first substrate 111 in the step sub-region 2001; meanwhile, the black frame 16 further includes a third shielding portion 163 extending from one end of the first shielding portion 161 to the side of the backlight module 12, so as to prevent light leakage from the side of the backlight module 12; moreover, the black frame 16 further includes a second shielding portion 162 extending from one end of the first shielding portion 161 to the display area, and the second shielding portion 162 is bonded to the second substrate 112 through a first double-sided adhesive 181, so as to support the display panel 11, and reduce steps for manufacturing other functional devices in the manufacturing process; it can be understood that, the side of the first double-sided adhesive 181 close to the black frame 16 is flush with the side of the second substrate 112 close to the black frame 16, so as to further avoid the light transmission problem in the non-display area 2000, thereby improving the display effect.
In this embodiment, the middle frame 17 includes a first frame 171 and a second frame 172 disposed on the periphery of the display panel 11 and the backlight module 12; the first frame 171 is disposed on a first side of the display panel 11, the second frame 172 is at least disposed on a second side of the display panel 11, the first side and the second side are two different sides of the display panel 11, and the first side is a side of the display panel 11 close to the black frame 16; the second bezel 172 includes an extending portion 1721 extending between the display panel 11 and the backlight module 12, and the black shielding layer 113 covers the extending portion 1721 in the orthogonal projection direction of the first substrate 111.
In this embodiment, the side sealing compound 14 includes a first side sealing compound 141 located on the side surfaces of the black shielding layer 113, the first substrate 111, and the second substrate 112 facing the first frame 171, and a second side sealing compound 142 located on the side surfaces of the black shielding layer 113, the first substrate 111, and the second substrate 112 facing the second frame 172, wherein the first side sealing compound 141 is respectively bonded to the display panel 11 and the first polarizer 131, and the second side sealing compound 142 is respectively bonded to the display panel 11, the first polarizer 131, and the second polarizer 132.
In this embodiment, the extension portion 1721 is adhered to the second substrate 112 by the second double-sided adhesive 182; the second double-sided adhesive 182 is black, and the black mask layer 113 covers the second double-sided adhesive 182 in the orthographic projection direction of the first substrate 111. In this embodiment, by providing the second middle frame 17, the second frame 172 includes an extending portion 1721 extending between the display panel 11 and the backlight module 12, so as to support the display panel 11; meanwhile, the extension portion 1721 is adhered to the second substrate 112 through the second double-sided adhesive 182; the second double-sided adhesive 182 is black, so that the problem of light transmission in the non-display area 2000 is further avoided, and the display effect is improved.
The embodiment also provides a display device, which comprises the display module in the embodiment or the display panel in the embodiment.
The display module and the display panel are described in detail in the above embodiments, and the description is not repeated here.
Referring to fig. 5, a schematic block diagram of a process of a display device manufacturing method according to an embodiment of the present disclosure is shown.
The present embodiment further provides a method for manufacturing a display device, please refer to fig. 2 and fig. 4, the method includes the following steps:
step S10: the display panel 11 is prepared.
Wherein the display panel 11 includes a display area 1000 and a non-display area 2000 adjacent to the display area 1000, and the display panel 11 includes: a first substrate 111 on a light emitting side of the display panel 11, the first substrate 111 including a plurality of metal wirings 1111 in the non-display region 2000; a second substrate 112 disposed opposite to the first substrate 111, wherein an orthogonal projection of the first substrate 111 on the second substrate 112 covers the second substrate 112, the display panel 11 includes a black shielding layer 113 located in the non-display area 2000, and the black shielding layer 113 covers the metal wires 1111 in an orthogonal projection direction of the first substrate 111.
In this embodiment, the step S10 includes the following steps:
step S11: providing a first substrate 111 and a second substrate 112, and aligning the first substrate 111 and the second substrate 112 to form a box, wherein the first substrate 111 is located at the light-emitting side of the display panel 11.
Specifically, in this embodiment, the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, and the second substrate 112 is a color filter substrate.
It is understood that the display panel 11 is an LED display panel, the first substrate 111 is an array substrate, and the second substrate 112 is a color filter substrate, which are only used for illustration, and this embodiment is not limited thereto.
Step S12: a black mask layer 113 is formed on a side of the first substrate 111 away from the second substrate 112, wherein the black mask layer 113 is located in the non-display area 2000, and the plurality of metal wires 1111 are completely covered by the black mask layer 113.
It should be noted that, in this embodiment, the black mask layer 113 includes, but is not limited to, black ink, the preparation method of the black mask layer 113 includes, but is not limited to, a low-temperature screen printing process, and the thickness of the black mask layer 113 is less than 0.5 μm; and the temperature of the low-temperature silk-screen process is less than 70 ℃.
In this embodiment, the black ink is printed on the first substrate 111 by a low-temperature screen printing process, so as to prepare the black shielding layer 113, compared with the prior art, in which the second substrate 112 is located on the light emitting side of the display panel 11, a mold is required to clamp the cross section, then liquid glue is filled in the mold, then the mold is removed, and then the glue is cured, so that the manufacturing process steps are simplified, and the manufacturing efficiency is improved.
Further, in this embodiment, a distance a between one side of the black mask layer 113 near the display area 1000 and the display area 1000 is in a range of 0.1 mm to 0.5 mm. The orthographic projection of the black shielding layer 113 on the first substrate 111 is covered by the orthographic projection of the black shielding layer 113 on the first substrate 111, so that the appearance effect of the display panel 11 is improved; in addition, the range of the distance a from one side of the black shielding layer 113 close to the display area 1000 is 0.1 mm to 0.5 mm, so that the problems that the metal wiring 1111 is exposed by the black shielding layer 113 and the display area 1000 is shielded by the black shielding layer 113 can be avoided.
Step S20: a first polarizer 131 is formed on the side of the first substrate 111 away from the second substrate 112, and a second polarizer 132 is formed on the side of the second substrate 112 away from the first substrate 111.
The first polarizer 131 completely covers the first substrate 111, and the projection of the second polarizer 132 on the second substrate 112 is located in the second substrate 112.
Step S30: a side sealant 14 is prepared on the side surface of the display panel 11.
In this embodiment, a side sealing compound 14 is prepared, the side sealing compound 14 is respectively bonded to the display panel 11 and the first polarizer 131, and the width b of the bonding between the side sealing compound 14 and the first polarizer 131 ranges from 0.2 mm to 0.5 mm, so as to prevent the first polarizer 131 from peeling off; meanwhile, the side sealing compound 14 is black, so that the influence of light transmission on two side surfaces of the first polarizer 131 on the display effect can be avoided.
Step S40: the backlight module 12, the black bezel 16 and the middle bezel 17 are assembled.
Step S50: and assembling the display panel 11, the backlight module 12, the black frame 16 and the middle frame 17.
The backlight module 12, the black frame 16 and the middle frame 17 have already been described in detail in the above display module, and the description thereof is not repeated here.
In specific applications, the display device may be a display screen of a smart phone, a tablet computer, a notebook computer, an intelligent bracelet, an intelligent watch, an intelligent glasses, an intelligent helmet, a desktop computer, an intelligent television, a digital camera, or the like, and may even be applied to an electronic device having a flexible display screen.
To sum up, the application discloses a display panel, display module assembly and display device, display panel includes: the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a liquid crystal layer is clamped between the first substrate and the second substrate; the display panel comprises a display area and a non-display area adjacent to the display area, and the first substrate comprises metal wiring located in the non-display area; the first substrate comprises a black shielding layer, the metal wiring is covered by the black shielding layer in the orthographic projection direction of the first substrate, the black shielding layer is arranged in the display panel and covers the metal wiring in the orthographic projection direction of the first substrate, and therefore the appearance effect of the display panel is improved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above embodiments of the present application are described in detail, and specific examples are applied in the present application to explain the principles and implementations of the present application, and the description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (12)
1. A display panel, comprising:
the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a liquid crystal layer is clamped between the first substrate and the second substrate;
the display panel comprises a display area and a non-display area adjacent to the display area, and the first substrate comprises metal wiring located in the non-display area;
the first substrate comprises a black shielding layer, and the black shielding layer covers the metal wiring in the orthographic projection direction of the first substrate.
2. The display panel according to claim 1, wherein the black mask layer is located on a side of the first substrate away from the second substrate.
3. The display panel according to claim 2, wherein the black mask layer is located in the non-display area, and a distance between one side of the black mask layer close to the display area and the display area is 0.1 mm to 0.5 mm.
4. The display panel according to claim 1, wherein the first substrate includes a substrate, and a wiring layer disposed on a side of the substrate adjacent to the second substrate, the wiring layer including a plurality of metal wirings in the non-display region; wherein,
the black shielding layer is arranged in the first substrate and is positioned on one side, far away from the second substrate, of the routing layer.
5. The display panel according to any one of claims 1 to 4, wherein a material of the black mask layer is black ink.
6. A display module, comprising the display panel of any one of claims 1-5, a middle frame located in a non-display area of the display panel, and a side sealant;
the side sealing glue is arranged on the side faces, facing the middle frame, of the black shielding layer, the first substrate and the second substrate.
7. The display module of claim 6, further comprising a polarizer on a side of the first substrate away from the second substrate; wherein,
the polarizer completely covers the first substrate, the black shielding layer and the side sealing adhesive;
the side sealing adhesive is respectively adhered with the display panel and the polaroid, and the width of the side sealing adhesive adhered with the polaroid is 0.2-0.5 mm.
8. The display module according to claim 6, wherein the non-display area comprises a step sub-area located at one side of the display area, and the second substrate comprises a hollow portion located in the step sub-area;
the display module further comprises a black frame positioned in the non-display area, and the black frame comprises a first shielding part arranged in the hollow part and a second shielding part extending from one end of the first shielding part to the display area;
the black shielding layer covers the first shielding part and the second shielding part in the orthographic projection direction of the first substrate.
9. The display module according to claim 8, wherein the second shielding portion is bonded to the second substrate by a first double-sided adhesive tape; the side edge of one side, close to the black frame, of the first double-sided adhesive is flush with the side edge of one side, close to the black frame, of the second substrate, and the black shielding layer covers the first double-sided adhesive in the orthographic projection direction of the first substrate.
10. The display module according to claim 8, wherein the middle frame comprises a first frame and a second frame disposed on the periphery of the display panel;
the first frame is arranged on a first side of the display panel, the second frame is at least arranged on a second side of the display panel, the first side and the second side are two different sides of the display panel, and the first side is a side of the display panel close to the black frame;
the second frame comprises an extending part which extends to one side of the second substrate far away from the first substrate, and the black shielding layer covers the extending part in the orthographic projection direction of the first substrate.
11. The display module according to claim 10, wherein the extension portion is bonded to the second substrate by a second double-sided adhesive tape; the black shielding layer covers the second double-sided adhesive in the orthographic projection direction of the first substrate.
12. A display device comprising the display panel according to any one of claims 1 to 5 or the display module according to any one of claims 6 to 11.
Priority Applications (3)
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| CN202110630926.9A CN113376897A (en) | 2021-06-07 | 2021-06-07 | Display panel, display module and display device |
| PCT/CN2021/101262 WO2022257179A1 (en) | 2021-06-07 | 2021-06-21 | Display panel, display module, and display device |
| US17/419,766 US20240012274A1 (en) | 2021-06-07 | 2021-06-21 | Display panel, display module, and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110630926.9A CN113376897A (en) | 2021-06-07 | 2021-06-07 | Display panel, display module and display device |
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| CN113376897A true CN113376897A (en) | 2021-09-10 |
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| US (1) | US20240012274A1 (en) |
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| WO (1) | WO2022257179A1 (en) |
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| CN205103517U (en) * | 2015-11-13 | 2016-03-23 | 乐视致新电子科技（天津）有限公司 | Display equipment |
| CN106992166A (en) * | 2016-11-11 | 2017-07-28 | 福州京东方光电科技有限公司 | A kind of array base palte and preparation method thereof, display device |
| CN106707598A (en) * | 2016-12-29 | 2017-05-24 | 惠科股份有限公司 | Liquid crystal display panel and method for manufacturing the same |
| CN209496220U (en) * | 2019-01-02 | 2019-10-15 | 北京京东方茶谷电子有限公司 | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240012274A1 (en) | 2024-01-11 |
| WO2022257179A1 (en) | 2022-12-15 |
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Application publication date: 20210910 |